Samsung Galaxy A40 vs Xiaomi Redmi Note 9 Pro Specs Comparison

Availability

Officially announced
Apr 10, 2019	Apr 30, 2020

Design

Dimensions
5.69 x 2.72 x 0.31 inches 144.4 x 69.2 x 7.9 mm	6.53 x 3.02 x 0.35 inches 165.8 x 76.7 x 8.8 mm
Weight
4.94 oz / 140.0 g	7.37 oz / 209.0 g
Materials
Back: Plastic Frame: Plastic	Back: Glass (Corning Gorilla Glass 5) Frame: Plastic
Biometrics
2D Face unlock, Fingerprint (touch)	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Coral, Blue, White	Interstellar gray, Tropical green, Glacier white

Display

Size
5.9-inch, 85.73% screen-to-body	6.7-inch, 84.42% screen-to-body
Type
Super AMOLED	IPS LCD
Resolution
2340x1080px, 19.5:9 ratio, 437 PPI	2400x1080px, 20:9 ratio, 395 PPI
Protection
Corning Gorilla Glass 3	Corning Gorilla Glass 5

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
Untested	1 (Excellent)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Exynos 7904 (14 nm)	Snapdragon 720G SM7125 (8 nm)
Processor
Octa-core 1800 MHz ARM Cortex-A73 and ARM Cortex-A53	Octa-core 2300 MHz Kryo 465
GPU
Mali-G71 MP2	Adreno 618
Memory
4GB (LPDDR4)/64GB	6GB (LPDDR4)/64GB (UFS 2.1) 6GB/128GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 512 GB
OS
Android (11, 10, 9.0 Pie)	Android (10)

Battery

Type
3100 mAh, Li - Polymer	5020 mAh, Li - Polymer
Charging
Samsung Adaptive Fast Charging	Fast charging
Charge speed
	Wired: 30.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

Untested

Browsing

Untested

Video

12h 17min

Gaming

10h 56min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Dual camera	Quad camera
Main camera
16 MP (PDAF) Aperture size: F1.7 Focal length: 27 mm Sensor size: 1/2.8" Pixel size: 1.12 μm	64 MP (PDAF) Aperture size: F1.9 Focal length: 26 mm Sensor size: 1/1.7" Pixel size: 0.8 μm
Second camera
5 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/5" Pixel size: 1.12 μm	8 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
	5 MP (Macro, Autofocus) Aperture size: F2.4 Sensor size: 1/5" Pixel size: 1.12 μm
Fourth camera
	2 MP (Depth information) Aperture size: F2.4 Sensor size: 1/5" Pixel size: 1.75 μm
Flash
LED	Dual LED
Video recording
1080p (30 fps) Hyperlapse, Video calling, Video sharing	4K UHD (30 fps), 1080p (120 fps), 720p (960 fps)
Front
25 MP Video capture: 1080p	16 MP (HDR, Slow-motion videos) Video capture: 1080p

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
Type-C, USB 2.0	Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync	NFC, Infrared

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Dolby Atmos, Album art cover, Background playback
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

4G (FDD) Bands
1, 3, 5, 7, 8, 20	1, 2, 3, 4, 5, 7, 8, 20, 28
4G (TDD) Bands
38, 40, 41	38, 40, 41
3G Bands
1, 2, 5, 8	1, 2, 4, 5, 8
Data Speed
LTE-A Cat 12/13 (600/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes	Yes
SIM type
Nano SIM	Nano SIM
HD Voice
	Yes
VoLTE
	Yes

Regulatory Approval

FCC approval
Date approved: Mar 08, 2019 FCC ID value: A3LSMA405FN
Measured SAR
Head: 0.51 W/kg Body: 0.46 W/kg Simultaneous Transmission: 1.02 W/kg Wireless Router: 0.61 W/kg

Alternative variants

with 128GB storage

Memory	128GB

Discover more

Full Specs Samsung Galaxy A40 Specs

Full Specs Xiaomi Redmi Note 9 Pro Specs PA Review Xiaomi Redmi Note 9 Pro Review